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GSM System Architecture

Functional Element Description: SMS Center

Jose Antonie Portilla Figueras

■    Although it is part of the Network Switching subsystem it is not shown in the figurę of the first slide.

■    As its name shows the Short Message Service Center (SMSC) is a node dedicated to handle with the SMS service. It has to receive and deliver SMS from MS inside and outside de PLMN.

■    The messages received are stored in the SMSC and they are not sent to the ending MS until the network is under a specified using threshold.

■    The cost of a SMSC is about 1-3 Millions Euros.